<template>
  <div>
    <li :class="isEnter ? 'active' : ''" @mouseenter="changActiveHandel('enter')" @mouseleave="changActiveHandel('leave')">
      <label>
        <input type="checkbox" :checked="done" @click="changeChecked(id)"/>
        <span>{{ thing }}</span>
      </label>
      <button class="btn btn-danger" @click="deleteTodo(id)">删除</button>
    </li>
  </div>
</template>

<script>
export default {
  name: "Item",
  props: ["id", "thing", "done","deleteTodo","changeChecked"],
  data() {
    return {
      isEnter: false,
    };
  },
  methods:{
    changActiveHandel(type){
      this.isEnter = type === 'enter'
    }
  }
};
</script>

<style lang="css" scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li.active {
  background: #ccc;
}
li.active button {
  display: block;
}

/* li:last-child {
  border-bottom: none;
} */
</style>